Question

Louise completed the work shown below.
(5x3 + 3)2 = (5x3)2 + (3)2 = 25x6 + 9

Answer 1

if it is asking to identify the error in the work, you cannot distribute exponents like that

(5x3 + 3)^2 = (5x^3+3)(5x^3+3) = 25x^6 + 2(5x^3)(3) + 9